Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Dec. 31, 2018
Cash Flows from Operating Activities:
Net income	$ 8,692	$ 5,785	$ 13,465	$ 17,577
Adjustments to reconcile net income to net cash provided by operating activities:
Recovery of loan losses	(12)	(23)	(6)	(97)	$ (103)
Depreciation			1,504	1,366
Net accretion of acquisition accounting adjustments			(2,321)	(1,002)
Core deposit intangible amortization	448	56	961	210
Net amortization of securities			845	1,262
Net gain on sale or call of securities available for sale			(242)	(81)
Net change in fair value of equity securities			(333)	(312)
Gain on sale of loans held for sale			(1,702)	(1,492)
Proceeds from sales of loans held for sale			72,452	61,772
Originations of loans held for sale			(75,756)	(60,575)
Net (gain) loss on other real estate owned			(124)	5
Valuation allowance on other real estate owned			68	28
Net loss (gain) on sale of premises and equipment	2	(63)	89	(66)
Equity based compensation expense			1,204	859
Earnings on bank owned life insurance			(425)	(325)
Deferred income tax expense			205	203
Net change in interest receivable			995	(1)
Net change in other assets			4,695	(660)
Net change in interest payable			29	93
Net change in other liabilities			(2,852)	136
Net cash provided by operating activities			12,751	18,900
Cash Flows from Investing Activities:
Proceeds from sales of equity securities			445	431
Proceeds from sales of securities available for sale	0	35,541	29,878	57,607
Proceeds from maturities, calls and paydowns of securities available for sale			76,162	23,561
Purchases of securities available for sale			(36,517)	(66,221)
Net change in restricted stock			(786)	871
Net (increase) decrease in loans			(805)
Net (increase) decrease in loans				5,600
Proceeds from sale of premises and equipment			0	233
Purchases of premises and equipment			(2,070)	(1,322)
Proceeds from sales of other real estate owned			1,248	808
Cash paid in bank acquisition			(27)	0
Cash acquired in bank acquisition			26,283	0
Net cash provided by investing activities			93,811	21,568
Cash Flows from Financing Activities:
Net change in demand, money market, and savings deposits			8,384	(1,321)
Net change in time deposits			(16,103)	(10,298)
Net change in customer repurchase agreements			3,681	18,378
Net change in other short-term borrowings			(14,883)	(24,000)
Net change in long-term borrowings			(778)	0
Common stock dividends paid			(7,972)	(6,522)
Repurchase of common stock			(1,138)	0
Proceeds from exercise of stock options			609	861
Net cash used in financing activities			(28,200)	(22,902)
Net Increase in Cash and Cash Equivalents			78,362	17,566
Cash and Cash Equivalents at Beginning of Period			64,255	52,477	52,477
Cash and Cash Equivalents at End of Period	$ 142,617	$ 70,043	$ 142,617	$ 70,043	$ 64,255